CN202513178U - Large-power thickening high-transmittance double-glass photovoltaic assembly - Google Patents
Large-power thickening high-transmittance double-glass photovoltaic assembly Download PDFInfo
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- CN202513178U CN202513178U CN 201220111063 CN201220111063U CN202513178U CN 202513178 U CN202513178 U CN 202513178U CN 201220111063 CN201220111063 CN 201220111063 CN 201220111063 U CN201220111063 U CN 201220111063U CN 202513178 U CN202513178 U CN 202513178U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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- Y02E10/50—Photovoltaic [PV] energy
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Abstract
The utility model provides a large-power thickening high-transmittance double-glass photovoltaic assembly, belonging to the technical field of solar power generation. The assembly comprises toughened glasses, high-transmittance resin, and solar cells or solar cell groups; the assembly is characterized in that an upper layer toughened glass, upper layer high-transmittance resin, the solar cells or the solar cell groups, lower layer high-transmittance resin, and a lower layer toughened glass are laminated in order from top to bottom. Compared with the prior art, the large-power thickening high-transmittance double-glass photovoltaic assembly of the utility model is characterized by reasonable design, simple structure, convenient installation, good security, long service life, and the like; dc voltage outputting is stable, the weak light conversion effect is excellent, and the assembly is beautiful and firm and resists wind and snow; and the output power can be guaranteed for 25 years, the photoelectric conversion efficiency is high (over 16%) and low-attenuated, and the reliability is strong, and the light transmittance can reach 45%.
Description
Technical field
The utility model relates to a kind of solar energy generation technology, the high pair glass photovoltaic modulies that pass through of specifically a kind of high-power thickening.This assembly both can be attached on the building, utilized building as the photovoltaic arrays carrier, can also integrate with building, became the building inalienable part with the mode of construction material.
Background technology
Along with fossil energy progressively consumes, energy crisis has been presented in face of the people, according to present development trend, fossil energies such as coal, oil and natural gas comprise the used uranium material of nuclear power station in 100-200 years approach exhaustion at last.Wherein photovoltaic generation is held a series of peculiar advantages, and at first, the used main material of solar energy is silicon materials, and the silicon materials reserves are abundant, and the abundant arrangement the second for outside the deoxygenation on the earth's crust reaches 26% more than; Photovoltaic generation does not have combustion process, not emission greenhouse gas, waste gas and waste water, environmental friendliness; Do not have mechanical gyro unit, do not have mechanical wear, noiseless; Generating can be installed in anhydrous desert belt without cooling water; Can be installed to roof and metope in the city, not take up an area of separately; Modular construction, scale is random; Also can be installed in large-scale open parking ground or railway station; Long service life (can reach more than 25 years) is once invested income for many years; Maintenance management is simple, can realize unattended operation, and maintenance cost is extremely low.
As the normal optical photovoltaic assembly, need only detection through IEC61215, satisfy the requirement of the impact of anti-(5400Pa) blast and anti-25mm diameter hail 23m/s.Be used as the photovoltaic module of the two glass of solar energy, not only need satisfy the performance requirement of normal optical photovoltaic assembly, will satisfy the three property requirement of experiment and the building safety performance requirement of curtain wall simultaneously, therefore need higher mechanical property and adopt the various structure mode.The normal optical photovoltaic assembly that for example is of a size of 1200mm * 550mm generally adopts the thick tempering ultra-clear glasses of 3.2mm to add aluminum alloy frame just can reach instructions for use.But the assembly of same size is used in the BIPV building, and in different places, different story heights, and different mounting meanss just possibly be diverse to its glass mechanical property requirements.The assembly that south glass mansion outer circulation type double-layer curtain wall adopts is exactly two photovoltaic modulies that the thick tempering ultra-clear glasses doubling of 6mm forms, and this is the result that the Mechanics Calculation through strictness obtains.The building air temperature modification is consuming lot of energy at present.In China, it will account for about 70% of building total energy consumption.Control not only consumed energy of room temperature with air conditioner and fire coal, bring extraneous environmental pollution, and can not bring healthy environment (though temporarily it is comfortable) to indoor occupant.Be used for aspect the heating at solar energy, demonstration types such as solar energy housing building can be built the demand of energy supply on a large scale.
Summary of the invention
The technical assignment of the utility model is the deficiency to prior art, provides a kind of to the large-scale power station roof or metope is installed and the high-power thickening that has the building of demand to use to daylighting is high passes through two glass photovoltaic modulies.
The utility model solves the technical scheme that its technical problem adopted:
The high pair glass photovoltaic modulies that pass through of high-power thickening; Comprise toughened glass, high light-transmissive resin, solar battery sheet or battery sheet group; It is characterized in that this assembly is by upper strata toughened glass, go up floor height light-transmissive resin, solar battery sheet or battery sheet group, floor height light-transmissive resin and lower floor's toughened glass form according to from top to bottom sequential cascade down.
Said solar battery sheet or battery sheet group link to each other with terminal box; Said terminal box is the high leakproofness terminal box; Mainly play the function of a lead-in wire and protection; Through the high leakproofness terminal box electric current of battery component is drawn,, thereby reach the purpose of building power station and electricity generation system so that better go here and there and link.Be furnished with diode and automatic disconnection defencive function in the high leakproofness terminal box simultaneously, guarantee automatic shutoff circuit protection assembly under the short-circuit condition.
The key property of high leakproofness terminal box is that shell adopts the senior raw material of import (PPO) production, has high anti-agingly, and ultraviolet-resistant capacity is applicable to the use under the outdoor severe environmental conditions, uses actual effect to reach more than 30 years.Terminal box also can as required can built-in arbitrarily 2～6 binding posts.All terminal box connected modes all adopt the rapid plug-in mode to connect.Its high leakproofness degree of protection is IP65.Choked flow diode in the line box adopts the Schottky bypass diode; The Schottky bypass diode is that noble metal (gold, silver, aluminium, platinum etc.) A is for anodal; With N type semiconductor B is negative pole, utilizes the potential barrier that forms on the two contact-making surface to have rectification characteristic and the metal semiconductor device processed.Outstanding feature is extremely to lack (may diminish to several nanoseconds) reverse recovery time, and forward conduction voltage drop is only about 0.4V.
Said toughened glass is low steel wool face toughened glass of ultrawhite or coated toughened glass, mainly plays printing opacity and protective effect.The main production of the low steel wool face toughened glass of ultrawhite is " rolling process ", and it is to adopt special colored roller, at the special pyramid decorative pattern of lower surface compacting of ultra-clear glasses; And at the special matte pattern of upper surface compacting; Reduce the glass orienting reflex through special embossing Pattern Design, increase the internal reflection effect, promote it effectively to absorb solar energy; Improve the transmitance of sunray to greatest extent; Improving electricity generation efficiency, is one of indispensable important composition parts of solar cell, and it has excellent characteristics such as high solar transmitance, antiradar reflectivity, low iron-holder, high mechanical properties, high-flatness.Glass visible light transmittance rate in the wave-length coverage of solar cell spectral response that its high-performance: 6mm is thick reaches more than 90%, for the infrared light greater than 1200 nm higher reflectivity is arranged.This glass is the radiation of ability solar ultraviolet light simultaneously, and light transmittance does not descend.The low steel wool face toughened glass of ultrawhite also has superpower anti-mechanical impact force and huge pressure such as wind resistance, snow; Show that through experiment the low steel wool face toughened glass of ultrawhite meets Chinese GB/T 15763-2005 " toughened glass ", GB/T 9535-1998 " identify and qualitative and GB/T 6495.3-1996 (idt IEC904-3.1989) photovoltaic device the 3rd part with the Crystalline Silicon PV Module design on ground: ground is with the test philosophy and the standard spectrum irradiation data of photovoltaic device ".
Said high light-transmissive resin is high printing opacity polyvinyl butyral resin, mainly plays bonding and protective effect.Its main component is a polyvinyl butyral resin, through a kind of macromolecular material of plasticizer plasticizing extrusion modling, is a kind of membranaceous PUR.Its fundamental characteristics is: PVB is used for the encapsulation of solar module, and is inviscid at normal temperatures, is convenient to trimming operation.PVB non-toxic, odorless, non-corrosiveness, nonflammable have good light transmittance, insulating properties, weatherability, wear-resisting, water-fast, oil resistant, ageing-resistant effect, and have characteristics such as good cold resistance, thermal endurance.During use, in certain condition hot pressing hot melting cohesion and crosslinking curing take place just, become transparent, the light transmittance after it solidifies up to more than 90%, produces nonvolatil adhesive seal under AM1.5 spectrum.PVB after the curing can bear the atmosphere variation and have elasticity, can stand to use under various climatic environments and the mal-condition.The main effect of PVB is: be bonded and sealed, with glass, battery sheet, glass, paste into an integral body, the quality and life-span of solar module played crucial effects.
Said welding is the signal bronze welding, and what mainly play is the function of lead.Copper is that electric conductivity is best in all metals, and tin is beneficial to welding.The signal bronze welding can guarantee the battery sheet effectively is together in series according to both positive and negative polarity well, thereby reaches the purpose of the conduction that reduces the wastage.The signal bronze welding is claimed zinc-plated copper strips again or is coated with the tin copper strips; Divide conflux band and interconnector; Be applied to the connection of photovoltaic module battery sheet; Welding is the important raw and processed materials in the photovoltaic module welding process, and the quality of welding quality will directly have influence on the photovoltaic module collection efficiency of current, and is very big to the power influences of photovoltaic module.The copper base of signal bronze welding is to adopt import refining toughness oxygen-free copper/T2 red copper, and copper content is more than 99.99%, and conductance>=more than 98%, the resistivity of copper base is :≤0.0165 Ω mm2/m.Coating composition: 62%Sn36%Pb2%Ag, the single face coating layer thickness is: 0.05mm.
Said battery sheet group is to be in series through welding by 2-198 solar battery sheets.Be topmost generating parts, this battery sheet is to be processed by crystal silicon chip.At first join calculation, and then the battery sheet is together in series according to positive and negative piecewise, form electric current and generate electricity through the signal bronze welding according to power grade design.It is main with silicon semiconductor material mainly, is representative with monocrystalline silicon and polysilicon again wherein.Its characteristics are: efficient is high, low decay, and good reliability, advanced diffusion technique has guaranteed the excellent homogeneity in the sheet between sheet, has reduced the match penalties between the battery sheet.Secondly the tubular type PECVD film technique of uses advanced makes that the navy blue silicon nitride antireflective coating that covers battery surface is fine and close, even, attractive in appearance.For having guaranteed the planarization of electrode good electrical conductivity, solderability and back of the body field; Use high-quality metal paste and make electrode and back of the body field.High-precision silk screen printing figure makes the battery sheet be easy to welding.The manufacture craft of solar battery sheet is roughly: silicon single crystal rod is cut into slices thick about 120 ~ 150 microns of general sheet.Silicon chip is processed raw material silicon chip to be processed through operations such as rubbing down, cleanings, processes solar battery sheet then, and the processing solar battery sheet at first will mix on silicon chip and spread, the boron that general alloy is a trace, phosphorus, antimony etc.Diffusion is in the high temperature dispersing furnace that quartz ampoule is processed, to carry out.So just form P on the silicon chip>the N knot.Adopt silk screen print method then, the silver slurry that essence prepares is imprinted on makes grid line on the silicon chip, through oversintering, process back electrode simultaneously, and apply the antireflective source at the face that grid line is arranged, in case a large amount of photons is reflected away by smooth silicon chip surface.The key property of solar battery sheet is: ultra-thin (about 190 ± 20 microns of gross thickness), efficient high (photoelectric conversion efficiency reaches more than 18%), (weight of the battery sheet monolithic of monocrystalline 125 * 125mm is merely 7g) in light weight.
The high-power thickening of the utility model is high passes through two glass photovoltaic modulies compared with prior art, and the beneficial effect that is produced is:
1) the utlity model has characteristics such as reasonable in design, simple in structure, easy for installation, that fail safe is good, the life-span is long; Stable, the remarkable low light level effect of direct voltage output, firm wind resistance snow attractive in appearance, power output guaranteed in 25 years, photoelectric conversion efficiency high (more than 16%), low decay, good reliability, light transmittance can reach 45%.
2) the utility model is compared with existing various solar modules, the integrated generation of solar photovoltaic building be green energy resource, be applied solar energy generating, do not pollute the environment.Solar photovoltaic building one body technique adopts the grid-connected photovoltaic system, need not be equipped with storage battery, both reduces investment outlay, and does not receive the restriction of storage battery state-of-charge again, can make full use of the electric power that photovoltaic system sends.Play the building energy conservation effect.It is electric energy that photovoltaic array absorbs conversion of solar energy, greatly reduces outdoor integrated temperature, has reduced body of wall and has got hot and the room conditioning refrigeration duty, so also can play the building energy conservation effect.Therefore, the development solar photovoltaic building is integrated, can " energy-saving and emission-reduction ".
Description of drawings
Accompanying drawing 1 is profile master's TV structure sketch map of the utility model;
Accompanying drawing 2 is the internal structure sketch map of the utility model;
Accompanying drawing 2-1 is the side schematic view of the utility model embodiment
Accompanying drawing 3 is the operation principle sketch map of the utility model;
Accompanying drawing 4 is that the operation principle electrical equipment of the utility model connects sketch map;
Accompanying drawing 5 is the cascaded structure sketch map of the utility model.
Among the figure; 1, the low steel wool face toughened glass of upper strata ultrawhite, 2, go up floor height printing opacity polyvinyl butyral resin, 3, high efficiency solar cell sheet or battery sheet group; 4, signal bronze welding; 5, high leakproofness terminal box, 6, following floor height printing opacity polyvinyl butyral resin, 7, the low steel wool face toughened glass of sheet ultrawhite down.
Embodiment
Below in conjunction with high-power thickening height thoroughly pair glass photovoltaic modulies work below the at length explanation of accompanying drawing to the utility model.Institute gives an actual example and only is used to explain the utility model, is not the scope that is used to limit the utility model.
Like accompanying drawing 1, shown in 2; The high-power thickening of the utility model is high passes through two glass photovoltaic modulies, and its structure is by the low steel wool face toughened glass 1 of upper strata ultrawhite, go up floor height printing opacity polyvinyl butyral resin 2, high efficiency solar cell sheet or battery sheet group 3, floor height printing opacity polyvinyl butyral resin 6 and the low steel wool face toughened glass 7 of lower floor's ultrawhite form according to from top to bottom sequential cascade down.Said battery sheet group 3 is can the battery sheets to be in series through signal bronze welding 4 and to be connected with high leakproofness terminal box 5 by 36 high-efficiency solars.
Shown in accompanying drawing 3-5, the utility model is based on " photovoltaic effect ".It comes down to a large-area PN junction, when illumination is mapped to a face of PN junction, for example P profile.During photovoltaic generation; If photon energy is greater than the energy gap of semi-conducting material, photon of the every absorption of p type island region just produces a pair of free electron and hole so, and electron-hole pair is inwardly diffusion rapidly from the surface; Under the knot effect of electric field, set up an electromotive force relevant at last with intensity of illumination.To between P district and N district, produce an outside testable voltage, concerning crystal silicon solar energy battery, the exemplary value of open circuit voltage is 0.5～0.6V.Many more at the electron-hole pair that boundary layer produces through illumination, electric current is big more.The luminous energy that boundary layer absorbs is many more, and boundary layer is that cell area is big more, and the electric current that in solar cell, forms is also big more.
The utility model is exactly around this principle, combines the client to design accordingly for the requirement of system voltage simultaneously and joins calculation.
High thoroughly two its processing and fabricatings of glass photovoltaic module of the high-power thickening of the utility model are simple and convenient, and processing and fabricating gets final product shown in the by specification accompanying drawing.
Except that the described technical characterictic of specification, be the known technology of those skilled in the art.
Claims (7)
1. the high pair glass photovoltaic modulies that pass through of high-power thickening; Comprise toughened glass, high light-transmissive resin, solar battery sheet or battery sheet group; It is characterized in that this assembly is by upper strata toughened glass, go up floor height light-transmissive resin, solar battery sheet or battery sheet group, floor height light-transmissive resin and lower floor's toughened glass form according to from top to bottom sequential cascade down.
2. the high pair glass photovoltaic modulies that pass through of high-power thickening according to claim 1 is characterized in that said solar battery sheet or battery sheet group link to each other with terminal box.
3. the high pair glass photovoltaic modulies that pass through of high-power thickening according to claim 2 is characterized in that said terminal box is the high leakproofness terminal box.
4. the high pair glass photovoltaic modulies that pass through of high-power thickening according to claim 1 and 2 is characterized in that, said toughened glass is low steel wool face toughened glass of ultrawhite or coated toughened glass.
5. the high pair glass photovoltaic modulies that pass through of high-power thickening according to claim 1 and 2 is characterized in that said high light-transmissive resin is high printing opacity polyvinyl butyral resin.
6. the high pair glass photovoltaic modulies that pass through of high-power thickening according to claim 1 and 2 is characterized in that said welding is the signal bronze welding.
7. the high pair glass photovoltaic modulies that pass through of high-power thickening according to claim 1 and 2 is characterized in that said battery sheet group is to be in series through welding by 2-198 solar battery sheets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220111063 CN202513178U (en) | 2012-03-22 | 2012-03-22 | Large-power thickening high-transmittance double-glass photovoltaic assembly |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220111063 CN202513178U (en) | 2012-03-22 | 2012-03-22 | Large-power thickening high-transmittance double-glass photovoltaic assembly |
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| CN202513178U true CN202513178U (en) | 2012-10-31 |
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| CN 201220111063 Expired - Fee Related CN202513178U (en) | 2012-03-22 | 2012-03-22 | Large-power thickening high-transmittance double-glass photovoltaic assembly |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105870229A (en) * | 2016-03-21 | 2016-08-17 | 桐乡市乌镇润桐嘉业机械维修中心 | Solar panel assembly |
| CN105932950A (en) * | 2016-07-18 | 2016-09-07 | 宝钢建筑系统集成有限公司 | Weather-proof photovoltaic module |
| CN106409948A (en) * | 2016-11-16 | 2017-02-15 | 宿迁宇龙光电科技股份有限公司 | Novel monocrystalline silicon solar cell and installation method thereof |
| US10186625B2 (en) | 2013-12-27 | 2019-01-22 | Byd Company Limited | Double-glass photovoltaic cell module |
| CN112599626A (en) * | 2020-12-15 | 2021-04-02 | 保定嘉盛光电科技股份有限公司 | Photovoltaic module and preparation method thereof |
-
2012
- 2012-03-22 CN CN 201220111063 patent/CN202513178U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10186625B2 (en) | 2013-12-27 | 2019-01-22 | Byd Company Limited | Double-glass photovoltaic cell module |
| CN105870229A (en) * | 2016-03-21 | 2016-08-17 | 桐乡市乌镇润桐嘉业机械维修中心 | Solar panel assembly |
| CN105932950A (en) * | 2016-07-18 | 2016-09-07 | 宝钢建筑系统集成有限公司 | Weather-proof photovoltaic module |
| CN106409948A (en) * | 2016-11-16 | 2017-02-15 | 宿迁宇龙光电科技股份有限公司 | Novel monocrystalline silicon solar cell and installation method thereof |
| CN106409948B (en) * | 2016-11-16 | 2019-03-08 | 江苏迩高新能源科技有限公司 | A kind of novel monocrystaline silicon solar cell and its installation method |
| CN112599626A (en) * | 2020-12-15 | 2021-04-02 | 保定嘉盛光电科技股份有限公司 | Photovoltaic module and preparation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121031 Termination date: 20150322 |
|
| EXPY | Termination of patent right or utility model |